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Invoke script within a script

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Top Forums Shell Programming and Scripting Invoke script within a script
# 8  
Old 03-24-2005
Could there be a problem with me accessing a file when the script is invoked? What I mean is, when I run the script throught a unix prompt, it works fine. But when an email is sent, and the scripts are envoked, one of the scripts tries to read from a text file which already exists in my directory.

Well, I'm thinking, when an email is sent and the scripts are envoked, they are running under a different context, so I'm thinking that the scripts are running under a different set of permissions. I saw something about setuid, and setgid. How can I use one of these to give certain scripts the permission to read from files that already exist?

Hope what I said made sense.
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LEARN ABOUT CENTOS

tcl_allowexceptions

Tcl_AllowExceptions(3)					      Tcl Library Procedures					    Tcl_AllowExceptions(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_AllowExceptions - allow all exceptions in next script evaluation

SYNOPSIS

       #include <tcl.h>

       Tcl_AllowExceptions(interp)

ARGUMENTS

       Tcl_Interp *interp (in)		Interpreter in which script will be evaluated.
_________________________________________________________________

DESCRIPTION

       If  a  script is evaluated at top-level (i.e. no other scripts are pending evaluation when the script is invoked), and if the script termi-
       nates with a completion code other than TCL_OK, TCL_ERROR or TCL_RETURN, then Tcl normally converts this into a TCL_ERROR  return  with	an
       appropriate  message.  The particular script evaluation procedures of Tcl that act in the manner are Tcl_EvalObjEx, Tcl_EvalObjv, Tcl_Eval,
       Tcl_EvalEx, Tcl_GlobalEval, Tcl_GlobalEvalObj, Tcl_VarEval and Tcl_VarEvalVA.

       However, if Tcl_AllowExceptions is invoked immediately before calling one of those a procedures, then arbitrary completion codes  are  per-
       mitted from the script, and they are returned without modification.  This is useful in cases where the caller can deal with exceptions such
       as TCL_BREAK or TCL_CONTINUE in a meaningful way.

KEYWORDS

       continue, break, exception, interpreter

Tcl									7.4						    Tcl_AllowExceptions(3)